... heater for liner, Gluer, Double facer, Slitter scorer, Cutter, Down stacker, steam and electric system etc. The web paper is inputted by ... Roll Stand, and after heated and regulating the moisture by the pre-heater, the paper is put into the Single Facer for ... . The single corrugated board is then transmitted by the overhead bridge conveyor to multiple heater to be reheated, after this the paper ...